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<td align="left" id="subTitle" class="titleTableSubTitle">Class&nbsp;ParseTree</td><td align="right" id="subNav" class="titleTableSubNav"><a href="#propertySummary">Properties</a>&nbsp;| <a href="#methodSummary">Methods</a></td>
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<td class="classHeaderTableLabel">Package</td><td><a onclick="javascript:loadClassListFrame('class-list.html')" href="package-detail.html">mathlib.expr.datatype</a></td>
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<td class="classHeaderTableLabel">Class</td><td class="classSignature">public class ParseTree</td>
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<p></p>
 Simple implementation of an n-ary tree. As its name indicates, its nodes
 contain Tokens and it is used to represent the results of a parse.
 <p></p>
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<div class="summaryTableTitle">Public Properties</div>
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<th>&nbsp;</th><th colspan="2">Property</th><th class="summaryTableOwnerCol">Defined&nbsp;by</th>
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<td class="summaryTablePaddingCol">&nbsp;</td><td class="summaryTableInheritanceCol">&nbsp;</td><td class="summaryTableSignatureCol"><a class="signatureLink" href="#children">children</a> : Array<div class="summaryTableDescription"> The children of this node.</div>
</td><td class="summaryTableOwnerCol">ParseTree</td>
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<td class="summaryTablePaddingCol">&nbsp;</td><td class="summaryTableInheritanceCol">&nbsp;</td><td class="summaryTableSignatureCol"><a class="signatureLink" href="#isLeaf">isLeaf</a> : Boolean<div class="summaryTableDescription"> True if the node is a leaf (i.e., it has no children).</div>
</td><td class="summaryTableOwnerCol">ParseTree</td>
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<td class="summaryTablePaddingCol">&nbsp;</td><td class="summaryTableInheritanceCol">&nbsp;</td><td class="summaryTableSignatureCol"><a class="signatureLink" href="#token">token</a> : <a href="../datatype/Token.html">Token</a>
<div class="summaryTableDescription"> The token value of this node.</div>
</td><td class="summaryTableOwnerCol">ParseTree</td>
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<a class="signatureLink" href="#ParseTree()">ParseTree</a>(_token:<a href="Token.html">Token</a>, _isLeaf:Boolean = true)</div>
<div class="summaryTableDescription">
  Creates a new instance of a ParseTree.</div>
</td><td class="summaryTableOwnerCol">ParseTree</td>
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<td class="summaryTablePaddingCol">&nbsp;</td><td class="summaryTableInheritanceCol">&nbsp;</td><td class="summaryTableSignatureCol">
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<a class="signatureLink" href="#appendChild()">appendChild</a>(_t:<a href="ParseTree.html">ParseTree</a>):void</div>
<div class="summaryTableDescription">
  Add a child to this node by appending it to <code>children</code>.</div>
</td><td class="summaryTableOwnerCol">ParseTree</td>
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<td class="summaryTablePaddingCol">&nbsp;</td><td class="summaryTableInheritanceCol">&nbsp;</td><td class="summaryTableSignatureCol">
<div class="summarySignature">
<a class="signatureLink" href="#toString()">toString</a>():String</div>
<div class="summaryTableDescription"> Converts the tree rooted in this node to a string.</div>
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<td class="detailHeaderName">children</td><td class="detailHeaderType">property</td>
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<code>public var children:Array</code><p> The children of this node. Its elements are other ParseTrees. </p></div>
<a name="isLeaf"></a>
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<td class="detailHeaderName">isLeaf</td><td class="detailHeaderType">property</td><td class="detailHeaderRule">&nbsp;</td>
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<code>public var isLeaf:Boolean</code><p> True if the node is a leaf (i.e., it has no children). This is
  maintained by <code>appendChild()</code> to save frequent checking of
  <code>children.length</code>.
  </p><p>
<span class="label">See also</span>
</p>
<div class="seeAlso">
<a href="../datatype/ParseTree.html#appendChild()" target="">appendChild()</a>
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<a name="token"></a>
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<td class="detailHeaderName">token</td><td class="detailHeaderType">property</td><td class="detailHeaderRule">&nbsp;</td>
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<code>public var token:<a href="../datatype/Token.html">Token</a></code><p> The token value of this node. </p></div>
<a name="constructorDetail"></a>
<div class="detailSectionHeader">Constructor detail</div>
<a name="ParseTree()"></a>
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<td class="detailHeaderName">ParseTree</td><td class="detailHeaderParens">()</td><td class="detailHeaderType">constructor</td>
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<code>public function ParseTree(_token:<a href="Token.html">Token</a>, _isLeaf:Boolean = true)</code><p>
  Creates a new instance of a ParseTree.
  </p><span class="label">Parameters</span>
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<td width="20px"></td><td><code><span class="label">_token</span>:<a href="Token.html">Token</a></code> &mdash; The Token to be stored in this node.
  </td>
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<td class="paramSpacer">&nbsp;</td>
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<td width="20px"></td><td><code><span class="label">_isLeaf</span>:Boolean</code> (default = <code>true</code>)<code></code> &mdash; If false, the children array will be initialized here,
   rather than in the <code>appendChild</code> method.
  </td>
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<div class="detailSectionHeader">Method detail</div>
<a name="appendChild()"></a>
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<td class="detailHeaderName">appendChild</td><td class="detailHeaderParens">()</td><td class="detailHeaderType">method</td>
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<code>public function appendChild(_t:<a href="ParseTree.html">ParseTree</a>):void</code><p>
  Add a child to this node by appending it to <code>children</code>.
  This function also sets <code>isLeaf</code> to false.
  </p><span class="label">Parameters</span>
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<td width="20px"></td><td><code><span class="label">_t</span>:<a href="ParseTree.html">ParseTree</a></code> &mdash; The ParseTree that will become the rightmost child.
  </td>
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<p>
<span class="label">See also</span>
</p>
<div class="seeAlso">
<a href="../datatype/ParseTree.html#isLeaf" target="">isLeaf</a>
</div>
</div>
<a name="toString()"></a>
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<td class="detailHeaderName">toString</td><td class="detailHeaderParens">()</td><td class="detailHeaderType">method</td><td class="detailHeaderRule">&nbsp;</td>
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<code>public function toString():String</code><p> Converts the tree rooted in this node to a string. </p><p></p>
<span class="label">Returns</span>
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<td width="20"></td><td><code>String</code></td>
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